Translate the sentence into an inequality. The sum of a number times 6 and 28 is greater than 21 .
Use the variable w for the unknown number.

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.